The phrase "a gateway through" is correct and usable in written English.
It can be used to describe an entry point or means of access to something, often metaphorically, such as opportunities or experiences.
Example: "The new technology serves as a gateway through which we can explore innovative solutions to complex problems."
Alternatives: "an entry point to" or "a means of access to".
Sci-fi gives us a gateway through which we can experience the wonder of our universe, and Big Dumb Objects are one key to opening that gateway.
They pictured a grand and sprawling entrance to Prospect Park, a gateway through which most of the park's visitors would pass.
President Trump has nominated the conservative lawyer to run the obscure but powerful Office of Information and Regulatory Affairs, a gateway through which federal regulations must pass.
You will see a faint path going up it - this is what you will follow when you have reached a gateway, through a wire fence, across the track.
In 1984, he created his first nationally prominent site-specific public sculpture, the two male and female figures that topped a gateway through which the Olympic flame was carried into the 1984 Los Angeles Games.
"It is a gateway through which we might access her particular view of that road between our glittering versions of American life and the darker reality that waits at the end of the ride".
The overnight results further support the notion of Ukip as a "gateway drug" through which former Labour voters progressed to the Conservative hard stuff.
The company sells four Hue bulbs and a gateway device through Apple stores for $199 and includes a number of pre-programmed lighting scenarios.
(5) The edge type AG represents that an actor node communicates with a gateway node through an edge.
In turn, WebMD has also begun to target employers and health plans with its subscription-based patient engagement platform and private online health portals, which give employees a secure gateway through which they can access their personal health information, plan data and insurance claims.
Analysis of the entire transcriptome provides a molecular gateway through which the physiological process of involution can be understood in greater detail.
